package ids

import (
	"crypto/rand"
	"encoding/hex"
	"fmt"
)

// ID is a transport-neutral opaque identifier primitive. Domain packages wrap it
// in strong semantic ID types; do not pass bare ID across semantic boundaries.
type ID string

func New() (ID, error) {
	var b [16]byte
	if _, err := rand.Read(b[:]); err != nil {
		return "", fmt.Errorf("generate id: %w", err)
	}
	return ID(hex.EncodeToString(b[:])), nil
}